REPORT FORMS, 



75 



EtEPORT ON PHYSICAL TESTS. 



Report on sample No. of road material from 



Made at tin- request of . 



Material: . 



x <>f i>liit*i<'iil /,.s/x un 



Kiihiiiitti-il, iimf '/ rnnifHirlxini irilh 



on iiniti ri<ii nf a nmu 



n<l 



Ki-sults on sample 

 submitted. 



K. suits on similar materials. 



Highest. 





Specific gravity 



Woiirlit |n-r cubic foot 



Water absorbed per cubic foot 



Per cent of wear 



Hardness 



aess 



aiiiK value 



Ibs. 



Ibs. 



U.S. 

 Ibs. 



Ibs. 



It*. 



An explanation of tests is iiiven in the accompanying circular. 

 REMARKS: 



REPORT OX CHEMICAL AND MINERAL COMPOSITION. 



Chemical and mineral composition of sample No. 



Made at the request of . 



Character of material: . 



Essential minerals: 



of road material from 



Accessory minerals: 



icondary minerals : 



Name: 

 CHKMICAI. ANALYSIS: 



Silica (SiO 2 ) 



Alumina ( A1 2 O 3 ) 



Ironoxid (Fe,6 3 ) 



Manganese oxid (MnO 2 ) . . 



Titanium oxid (TiO 2 ) 



Lime (CaO) 



Magnesia (MgO) 



Aikaiiesj^-;;; ;;;;;;;; 



Loss on ignition 



Insoluble in HC1 



Water at 105 C 



Water above 1 05 C 



Total 



R KM ARKS: 



Date: 



